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Yes. There is a jumper on the board that removes the "run 2" feature.
If you're working on these units, I would suggest getting a copy of the technical training manual. This is not your average furnace.
Chances are you'll need it at some point.

"Hey Lama, hey, how about a little something, you know, for the effort." And he says, "there won't be any money, but when you die, on your deathbed, you will receive total consciousness." So I got that goin' for me, which is nice. - Carl Spackler

Yes. There is a jumper on the board that removes the "run 2" feature.
If you're working on these units, I would suggest getting a copy of the technical training manual. This is not your average furnace.
Chances are you'll need it at some point.

Yes I know. Our supplier (johnstone) promised us a training seminar when we signed on for the mod but the class was never scheduled or has plans to be.

Can you provide a source for the service manual you mentioned? Coleman tech service never returns my calls and I have waited an hour on hold only to be told to leave a voice mail.

a digital copy of the technical manual can be found at UPGnet.com (if your distributor has gotten you access) under technical services, training, digital publications. These are not printable versions. Paper copies may also be ordered through UPGnet. The zone jumper is the only change that needs to be made although there are some set up steps that need to be followed also. As stated above, this isn't your daddy's furnace. Get the manual

Tell Johnstone if they want you to sell that furnace, they need to get you the Technical Training Manual, PRONTO.
Then read it front to back, and back to front.
This furnace will turn you upside down if you don't understand why it's doing what it's doing.

"Hey Lama, hey, how about a little something, you know, for the effort." And he says, "there won't be any money, but when you die, on your deathbed, you will receive total consciousness." So I got that goin' for me, which is nice. - Carl Spackler

Tell Johnstone if they want you to sell that furnace, they need to get you the Technical Training Manual, PRONTO.
Then read it front to back, and back to front.
This furnace will turn you upside down if you don't understand why it's doing what it's doing.

We informed them of that. Still got no where. Branch mgr blames his boss for the problem. Coleman Factory won't return our calls. Johnstone says they know nothing about getting dealer access to UPG website.

The way that they are stored on UPGnet prevents them from being copied or saved for further distribution. You have to have access or buy a hard copy. The only other way would be to print screen every page of the 200+ some pages... maybe someone can help you out with that... good luck

It is probably because they don't have a dealer program. They basically just buy and sell the equipment. That is what the Johnstones around here do. They aren't very good in terms of support. They are a general parts house, not a distributor. As a consequence, they just aren't set up to support you the way that they should. Johnstones in my area have been responsible for the downfall of some name brands because of the fact that they sell equipment to ANYONE and offer no support or training. As a result, all the hacks buy their equipment from them, that equipment goes in incorrectly, the units do not run the way they should and the brand gets a bad name. The issue of course isn't the equipment but the fact that johnstone is willing to sell to anyone with money and offers no training or support. You should get your equipment from a real distributor instead of a parts house. Of course JS is a franchise and each one is run differently... this does not apply across the board. I know some Johnstones that participate in dealer programs and are very good but that seems to be more of an exception to the rule than the standard. Good luck